Dearomatization of kerosene (by liquid sulphur dioxide extraction) is done to________________?

Related Mcqs:

1. Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatization by liquid SO2 extraction (Edeleanu process), its smoke point may become _______________________ mm?

   A. 5 B. 10 C. 25 D. 100...

2. Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than ________________ mg/kg of kerosene?

   A. 1 B. 20 C. 100 D. 500...

3. Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about_________________?

   A. 0.1 B. 1 C. 2.5 D. 3.5...

4. Pyrolysis of kerosene or natural gasoline is done to produce mainly the___________________?

   A. Olefins and aromatics B. Lighter paraffins C. Stabilised gasoline D. Diesel...

5. Good quality kerosene should have__________________?

   A. Low smoke point B. High smoke point C. High aromatics content D. Low paraffins content...

6. Flash point of diesel/kerosene (>50°C) is determined by the_______________?

   A. Abel apparatus B. Pensky-Martens apparatus C. Saybolt chromometer D. None of these...

7. A typical yield of kerosene in straight run distillation of crude oil may be about __________________ percent?

   A. 4 B. 10 C. 18 D. 26...

8. Smoke point of kerosene is the_______________?

   A. Time after which smoking starts on burning B. Temperature at which smoking starts C. Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp D. None of these...

9. Which is the most desirable component of a good quality kerosene ?

   A. i-paraffins B. Aromatics C. n-paraffins D. Naphthenes...

10. Smoke point of kerosene expresses its__________________?

    A. Burning characteristics B. Luminosity characteristics C. Aromatic content directly D. Lamp wick wetting characteristics...